CN112480352A - Aqueous polyurethane textile coating agent - Google Patents
Aqueous polyurethane textile coating agent Download PDFInfo
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- CN112480352A CN112480352A CN202011328539.1A CN202011328539A CN112480352A CN 112480352 A CN112480352 A CN 112480352A CN 202011328539 A CN202011328539 A CN 202011328539A CN 112480352 A CN112480352 A CN 112480352A
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- aqueous polyurethane
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- 239000004814 polyurethane Substances 0.000 title claims abstract description 31
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 31
- 239000011248 coating agent Substances 0.000 title claims abstract description 29
- 239000004753 textile Substances 0.000 title claims abstract description 15
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920000728 polyester Polymers 0.000 claims abstract description 14
- 239000002562 thickening agent Substances 0.000 claims abstract description 14
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 8
- 239000000539 dimer Substances 0.000 claims abstract description 8
- JVYDLYGCSIHCMR-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)butanoic acid Chemical compound CCC(CO)(CO)C(O)=O JVYDLYGCSIHCMR-UHFFFAOYSA-N 0.000 claims abstract description 6
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- KORSJDCBLAPZEQ-UHFFFAOYSA-N dicyclohexylmethane-4,4'-diisocyanate Chemical compound C1CC(N=C=O)CCC1CC1CCC(N=C=O)CC1 KORSJDCBLAPZEQ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 20
- 239000000839 emulsion Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 150000002009 diols Chemical class 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000011527 polyurethane coating Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 5
- 238000004945 emulsification Methods 0.000 claims description 5
- 230000001804 emulsifying effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 3
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 8
- 239000002904 solvent Substances 0.000 abstract description 5
- 239000004744 fabric Substances 0.000 abstract description 4
- 230000007062 hydrolysis Effects 0.000 abstract description 4
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- PGOOBECODWQEAB-UHFFFAOYSA-N (E)-clothianidin Chemical compound [O-][N+](=O)\N=C(/NC)NCC1=CN=C(Cl)S1 PGOOBECODWQEAB-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6648—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6651—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3234—Polyamines cycloaliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4297—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from polyester forming components containing aliphatic aldehyde condensates or hydrogenation products thereof having at least two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6659—Compounds of group C08G18/42 with compounds of group C08G18/34
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/68—Unsaturated polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/146—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the macromolecular diols used
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of coated fabrics and discloses a waterborne polyurethane textile coating agent which comprises the following raw materials in parts by weight: 25-35 parts of polyester glycol; 30-40 parts of dimer acid polyester dihydric alcohol; 4-8 parts of hydrogenated MDI; 3-5 parts of N-methylpyrrolidone; 1-3 parts of dimethylolbutyric acid; 0.2-0.6 part of isophorone diamine; 0.1-0.3 part of triethylamine; 30-40 parts of deionized water; 0.5-1.5 parts of thickening agent; 1-3 parts of a cross-linking agent. The coating agent provided by the invention can reach the level of similar solvent type coating adhesives, has the advantages of safety, environmental protection, convenient operation and the like, has good cold resistance, wear resistance, water pressure resistance and hydrolysis resistance, has wide market prospect, and is beneficial to popularization and use.
Description
Technical Field
The invention relates to the technical field of coated fabrics, in particular to a waterborne polyurethane textile coating agent.
Background
The coated fabric can be widely applied to outdoor articles such as tents, poncho, tarpaulin and the like, is bad in use condition, is easy to damage and large in consumption, so that a protective coating can be generally coated on the outer surface of the coated fabric, a coating agent mainly comprising solvent type polyurethane is generally used, but the solvent type polyurethane coating agent has the defect of large volatilization of organic solvent, not only causes the waste of energy, but also pollutes the environment and harms the human health, the water-based coating agent is another coating agent, and the high water pressure resistant water-based polyurethane coating agent is not good in application because the water pressure resistance is far lower than that of the solvent type coating agent, so that the high water pressure resistant water-based polyurethane coating agent is urgently needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a waterborne polyurethane textile coating agent.
Technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
the waterborne polyurethane textile coating agent comprises the following raw materials in parts by weight:
preferably, the preparation steps of the coating agent are as follows:
s1, adding polyester diol, dimer acid polyester diol, hydrogenated MDI and N-methyl pyrrolidone into a flask, stirring and heating to 75-85 ℃, and controlling the reaction time to be 1-2 hours;
s2 adding dimethylolbutyric acid and N-methylpyrrolidone into the flask, stirring and heating to 75-85 ℃, and continuing to react for 4-5 hours;
s3, putting the reaction product into an emulsifying kettle, adding triethylamine and deionized water for dispersion and emulsification, adding isophorone diamine, and stirring for reaction for 25-35 minutes to obtain a waterborne polyurethane emulsion;
s4, adding a thickening agent and a cross-linking agent into the aqueous polyurethane emulsion, stirring, and filtering to obtain the aqueous polyurethane coating agent.
Preferably, the thickener is one or a mixture of two of an aqueous thickener, an alkali swelling associative thickener and a polyurethane associative thickener.
Preferably, the crosslinking agents include, but are not limited to, dicumyl peroxide, benzoyl peroxide, and di-t-butyl peroxide.
Advantageous effects
The invention provides a waterborne polyurethane textile coating agent, which has the following beneficial effects:
(1) the waterborne polyurethane emulsion is prepared by taking polycarbonate diol and dimer acid polyester diol as raw materials and synthesizing the raw materials, so that the film forming property of the polyurethane emulsion can be improved, the coating agent can reach higher water pressure resistance due to the higher polarity of the polycarbonate, the high cohesive energy density and the high tensile strength of a formed film, and the hydrolysis resistance of the coating agent is improved due to the fact that the long-chain alkane on the side chain of the dimer acid polyester provides a strong hydrophobic environment and the ester bond is effectively protected;
(2) the coating agent provided by the invention can reach the level of similar solvent type coating adhesives, has the advantages of safety, environmental protection, convenient operation and the like, has good cold resistance, wear resistance, water pressure resistance and hydrolysis resistance, has wide market prospect, and is beneficial to popularization and use.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Further explaining the technical scheme provided by the invention:
example 1
The invention provides a waterborne polyurethane textile coating agent, which comprises the following preparation steps:
s1, adding 25 parts of polyester glycol, 30 parts of dimer acid polyester diol, 4 parts of hydrogenated MDI and 2.7 parts of N-methylpyrrolidone into a flask, stirring and heating to 75 ℃, and controlling the reaction time to be 1 hour;
s2 adding 1 part of dimethylolbutyric acid and 0.3 part of N-methylpyrrolidone into the flask, stirring and heating to 75 ℃, and continuing to react for 4 hours;
s3, putting the reaction product into an emulsifying kettle, adding 0.1 part of triethylamine and 30 parts of deionized water for dispersion and emulsification, adding 0.2 part of isophorone diamine, and stirring for reaction for 25 minutes to obtain a waterborne polyurethane emulsion;
s4, adding 0.5 part of aqueous thickening agent and 1 part of dicumyl peroxide into the aqueous polyurethane emulsion, stirring and filtering to obtain the aqueous polyurethane coating agent.
Example 2
The invention provides a waterborne polyurethane textile coating agent, which comprises the following preparation steps:
s1, adding 30 parts of polyester glycol, 35 parts of dimer acid polyester diol, 6 parts of hydrogenated MDI and 3.5 parts of N-methylpyrrolidone into a flask, stirring and heating to 80 ℃, and controlling the reaction time to be 1.5 hours;
s2 adding 2 parts of dimethylolbutyric acid and 0.5 part of N-methylpyrrolidone into the flask, stirring and heating to 80 ℃, and continuing to react for 4.5 hours;
s3, putting the reaction product into an emulsifying kettle, adding 0.2 part of triethylamine and 35 parts of deionized water for dispersion and emulsification, adding 0.4 part of isophorone diamine, and stirring for reaction for 30 minutes to obtain a waterborne polyurethane emulsion;
s4, adding 1 part of alkali swelling association type thickening agent and 2 parts of benzoyl peroxide into the aqueous polyurethane emulsion, stirring and filtering to obtain the aqueous polyurethane coating agent.
Example 3
The invention provides a waterborne polyurethane textile coating agent, which comprises the following preparation steps:
s1, adding 35 parts of polyester glycol, 40 parts of dimer acid polyester diol, 8 parts of hydrogenated MDI and 4.5 parts of N-methylpyrrolidone into a flask, stirring and heating to 85 ℃, and controlling the reaction time to be 2 hours;
s2 adding 3 parts of dimethylolbutyric acid and 0.5 part of N-methylpyrrolidone into the flask, stirring and heating to 85 ℃, and continuing to react for 5 hours;
s3, putting the reaction product into an emulsifying kettle, adding 0.3 part of triethylamine and 40 parts of deionized water for dispersion and emulsification, adding 0.6 part of isophorone diamine, and stirring for reaction for 35 minutes to obtain a waterborne polyurethane emulsion;
s4, adding 1.5 parts of polyurethane associative thickener and 3 parts of di-tert-butyl peroxide into the aqueous polyurethane emulsion, stirring and filtering to obtain the aqueous polyurethane coating agent.
Experimental comparisons were made in conjunction with the three examples above and with conventional coating agents, with the experimental data as follows:
in conclusion, the waterborne polyurethane textile coating agent provided by the invention has stable scraping performance, can reach higher water pressure resistance, has good cold resistance, wear resistance and hydrolysis resistance, and can meet the application requirements of outdoor products.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The waterborne polyurethane textile coating agent is characterized in that:
the coating agent comprises the following raw materials in parts by weight:
2. the aqueous polyurethane textile coating agent of claim 1, wherein the coating agent is prepared by the following steps:
s1, adding polyester diol, dimer acid polyester diol, hydrogenated MDI and N-methyl pyrrolidone into a flask, stirring and heating to 75-85 ℃, and controlling the reaction time to be 1-2 hours;
s2 adding dimethylolbutyric acid and N-methylpyrrolidone into the flask, stirring and heating to 75-85 ℃, and continuing to react for 4-5 hours;
s3, putting the reaction product into an emulsifying kettle, adding triethylamine and deionized water for dispersion and emulsification, adding isophorone diamine, and stirring for reaction for 25-35 minutes to obtain a waterborne polyurethane emulsion;
s4, adding a thickening agent and a cross-linking agent into the aqueous polyurethane emulsion, stirring, and filtering to obtain the aqueous polyurethane coating agent.
3. The aqueous polyurethane textile coating agent of claim 1, wherein the thickener is one or a mixture of two of aqueous thickener, alkali swelling associative thickener and polyurethane associative thickener.
4. The aqueous polyurethane textile coating agent of claim 1, wherein the crosslinking agent includes, but is not limited to, dicumyl peroxide, benzoyl peroxide, and di-t-butyl peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011328539.1A CN112480352A (en) | 2020-11-24 | 2020-11-24 | Aqueous polyurethane textile coating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011328539.1A CN112480352A (en) | 2020-11-24 | 2020-11-24 | Aqueous polyurethane textile coating agent |
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| CN112480352A true CN112480352A (en) | 2021-03-12 |
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| CN202011328539.1A Pending CN112480352A (en) | 2020-11-24 | 2020-11-24 | Aqueous polyurethane textile coating agent |
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| CN106398510A (en) * | 2016-05-09 | 2017-02-15 | 江苏吉福新材料股份有限公司 | UV (Ultraviolet)-curable flame-retardant weather-resistant aqueous polyurethane emulsion |
| CN107266650A (en) * | 2017-07-14 | 2017-10-20 | 合肥思敬齐化工材料有限责任公司 | Water pressure resistance waterproof polyurethane fabric finish and preparation method thereof |
| CN107523204A (en) * | 2017-09-22 | 2017-12-29 | 安庆市虹泰新材料有限责任公司 | A kind of preparation method of the polyurethane aqueous coating adhesive of dimer acid type |
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| CN109734871A (en) * | 2018-12-30 | 2019-05-10 | 沈阳化工研究院有限公司 | A kind of low water absorbable, high solids content polyaminoester emulsion preparation method |
-
2020
- 2020-11-24 CN CN202011328539.1A patent/CN112480352A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| CN101613451A (en) * | 2009-08-05 | 2009-12-30 | 辽宁恒星精细化工（集团）有限公司 | High-content aqueous polyurethane latex and preparation method |
| CN102127202A (en) * | 2010-11-30 | 2011-07-20 | 中科院广州化学有限公司 | High-hydrolysis-resistance aqueous polyurethane having dimer acid structural unit and preparation method thereof |
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